code: def test_char_repeat(self):
      np_s = np.bytes_("abc")
      np_u = np.str_("abc")
      res_s = b"abc" * 5
      res_u = "abc" * 5
      assert_(np_s * 5 == res_s)
      assert_(np_u * 5 == res_u)
  
imports: import pytest
  import numpy
  from numpy.testing import assert_, assert_raises
label_desc: Use image node_id 2 for calling the TestCharacter obj's underlying member method code with example usage: obj.test_char_repeat() without return types